NDLI: On the Relation between Mobility and Rainfall Effects in Ku/Ka-band Line-of-Sight Land Mobile Satellite Channels: An Analytical Statistical Approach

Content Provider	IEEE Xplore Digital Library
Author	Liolis, K.P. Bolea-Alamaac, A. Prieto-Cerdeira, R. Panagopoulos, A.D. Martellucci, A.
Copyright Year	2007
Description	Author affiliation: Eur. Space Agency, Noordwijk (Liolis, K.P.; Bolea-Alamaac, A.; Prieto-Cerdeira, R.)
Abstract	The candidate frequency bands for the extension of the DVB-S2/RCS broadband satellite systems to fully support mobility are the Ku (12/14 GHz) and Ka (20/30 GHz). At these frequencies, rainfall is a significant propagation impairment which has to be taken into account together with other propagation effects due to mobility, such as multipath, shadowing and blockage. Experimental measurement campaigns conducted so far for Ku/Ka-band land mobile satellite (LMS) channels have mainly focused on the characterization of the mobility effects and have not considered any possible relation between the mobility and rainfall effects. However, recent limited work has indicated that these two fading sources are not independent. The present analysis represents a first approximation addressing this open problem. Emphasis is put on the line-of-sight (LOS) state of a Ku/Ka-band LMS channel, which can be modeled by the Ricean distribution and a high K-factor. A novel analytical model relating the Ricean K-factor with the rain fading effects is presented based on which, an analytical prediction model for the distribution of the Ricean K-factor is derived. The proposed analysis is flexible, can be applied on a global scale and incorporate the impact of several important operational, climatic and geometrical parameters of a mobile satellite system on its channel multipath behavior. Useful numerical results are provided, the need for further experimental verification data is pointed out and specific future planned work is also mentioned.
Starting Page	26
Ending Page	30
File Size	604416
Page Count	5
File Format	PDF
ISBN	9781424409389
DOI	10.1109/IWSSC.2007.4409385
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-13
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer vision rain channel modeling DVB-RCS multipath Attenuation measurement Least squares approximation Analytical models Satellites Space technology DVB-S2 Frequency broadband mobile satellite systems Pollution measurement Mobile computing Digital video broadcasting
Content Type	Text
Resource Type	Article

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